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 Fig. 1  Fig. 2  Fig. 3 | Longines 18.69N(P) Features stem wind and pin set sub second Data 18''', Dm= 39.8mm, Do= 40.65mm H= 6.1mm F= 0.6mm T= 2.4mm 15 jewels f = 18000 A/h power-reserve 36h Balance staff U1057 / U956 (riveting collar 1.30 / 1.35mm) Stem W267 Hands 1.70 x 0.60 / 0.26mm Comments about the data | Remarks open face calibre bimetallic screw balance with 4 adjustment screws Breguet hairspring very early two-section regulator for coarse and fine adjustment (Fig.3) family/generations: 18.69N(P): pin set, sub second 18.69N: set lever, sub second 18.69N(SC): set lever, sweep second (all only stamped as 18.69N) Example, year: signature; shock device 1912: 2836283, B&Co*** (Baume & Co., later Baume & Mercier), Swiss Made, 15 Jewels - 2836283, B&Co***, Longines Not for Sale! The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating. |
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